these 2 derivations will be built:
  /nix/store/8md41qsq0jxxni7yq4xfzc827apxv977-flake-inputs.drv
  /nix/store/rk0xgjwxpja53x41yv2318yvcyk2003h-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy